Home / 3,210.57-4,823.15-2,117.07

Finding the Fourth Proportional to 3,210.57, 4,823.15 and 2,117.07

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Solution

The fourth proportional to 3,210.57, 4,823.15 and 2,117.07 is: 3,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.57 : 4,823.15 = 2,117.07 : x
  2. Step 2: Convert to fraction form
    3,210.57/4,823.15 = 2,117.07/x
  3. Step 3: Cross multiply
    3,210.57x = 4,823.15 × 2,117.07
  4. Step 4: Simplify right side
    3,210.57x = 10,210,935.59
  5. Step 5: Solve for x
    x = 10,210,935.59/3,210.57
  6. Step 6: Final answer
    x = 3,180.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.